Number System MCQs Test (Chapter-5) : Key 100 Questions to Competitive Exam Success

A construction project requires 3/8 of a mile of steel reinforcement rods. If each rod is 1/16 of a mile long, how many rods are needed for the project?

If you have 2/3 of a pizza and each pizza has 8 slices, how many slices do you have?

A car traveled 3/5 of the distance at a speed of 60 km/h and the remaining 2/5 of the distance at a speed of 75 km/h. What was the average speed for the entire trip?

Find the least number which will leaves remainder 5 when divided by 8, 12, 16 and 20.

If 4/7 of a number is equal to 3/5 of another number, and the sum of the two numbers is 84, what is the larger number?

What is the largest fraction among the following?

The sum of the squares of 3 consecutive positive numbers is 365. The sum of the numbers is

Arrange the following fractions from smallest to largest:

A tank initially contains a mixture of alcohol and water in the ratio of 2:5. If 15 liters of water are added to the tank, the ratio becomes 2:3. How much alcohol was in the initial mixture?

A recipe calls for 2/3 cup of olive oil, but you only want to make 1/4 of the recipe. How much olive oil do you need?

If 7/8 of a cake is divided equally among 4 people, what fraction of the cake does each person receive?

A company's profits increased by 1/4 in the first quarter and then decreased by 1/3 in the second quarter. If the initial profit was Rs. 120,000, what is the final profit?

If 5/8 of a number is 25, what is 3/8 of that number?

A train travels the first half of its journey at an average speed of 40 mph and the second half at an average speed of 60 mph. What is the train's average speed for the entire journey?

What is the largest positive integer less than 100 that is divisible by both 4 and 7?

If 3/7 of a quantity is 21, what is the whole quantity?

If 3/5 of a tank is filled with water, and the remaining part is filled with oil, what fraction of the tank contains oil?

If 1/6 of a certain amount is equal to 2/5 of another amount, and the two amounts have a sum of 240, what is the larger amount?

Which of the following fractions is the smallest?

Two positive whole numbers are such that the sum of the first number and twice the second number is 8 and their difference is 2. The numbers are :